Posts tagged: Data Ownership

6 posts found

A stack of insurance paperwork and documents on a desk, representing the fine print in wearable data sharing agreements

Your Health Insurance Company Wants Your Wearable Data. Here Is What That Actually Means.

John Hancock, UnitedHealthcare, and Aetna all offer premium discounts for sharing wearable data. The fine print lets them use that same data to raise your rates. Here is how the system works and what you can do about it.

James Hoffmann

Jun 16, 2026 1 min read

Smart RingsPrivacyData Ownership

The Secondhand Smart Ring Problem: Why Selling Your Ring Doesn't Erase Your Data

You factory-reset your Oura before listing it on eBay. The buyer gets a clean ring. Your heart rate data from the last 18 months is still in their cloud.

James Hoffmann

Jun 12, 2026 1 min read

A pile of obsolete technology and electronic waste in a dimly lit storage space. The physical remnants of devices that outlived their cloud backends.

PrivacyData OwnershipLocal First

What Happens to Your Health Data When the Company Dies

When Intel shut down Basis in 2016, the devices did not break. The servers did. The cloud model turns your health history into a loan, and the company owns the vault. Pulsyn stores everything on your phone because your phone is the only hardware you actually own.

James Hoffmann

Jun 7, 2026 13 min read

A smartphone screen showing a minimal dark interface without login forms or password fields

PrivacyData OwnershipLocal First

How Pulsyn Works Without a Login Screen

Most health apps start with a login form because their business model requires your email before their product requires your data. Pulsyn starts with a heart rate graph because the app stores everything locally on your phone and has nothing to authenticate against.

James Hoffmann

Jun 4, 2026 11 min read

Abstract digital privacy visualization representing encrypted health data that never leaves your device

PrivacyReproductive HealthData Ownership

Your Fertility Data Is Evidence Now

In a post-Dobbs United States, fertility data from wearables has entered criminal prosecutions. Oura stores cycle data on AWS. Whoop stores it on their own servers. Pulsyn stores it on your phone, encrypted, with no cloud account.

James Hoffmann

May 27, 2026 13 min read

Cloud server infrastructure with blue lighting

Local FirstPrivacyOn Device Ai

Why Your Health Data Doesn't Need a Cloud

Every smart ring app ships your biometric data to a server before showing you your own sleep score. The cloud isn't there for your convenience. It's there for their business model.

James Hoffmann

May 21, 2026 11 min read